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Old 12 June 2008, 08:09 PM
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si2000
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Default sti5 engine
Hi would like confirmation that my sti5 has an open deck block, or is it semi-closed. Thanks in advance!
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Old 12 June 2008, 08:16 PM
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The sti 5 block is an open deck block

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Old 12 June 2008, 08:33 PM
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Thanks mate 1 more thing apart from the pistons whats the difference between sti5 heads and uk my00 heads?
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Old 12 June 2008, 08:40 PM
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There is a lot of difference including cams, shims, valve springs and retainers. Basically the uk heads only rev to 7k and the sti heads rev to 8k.

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Old 12 June 2008, 08:46 PM
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Thanks mate
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Old 12 June 2008, 09:36 PM
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Originally Posted by banny sti
The sti 5 block is an open deck block

Banny
whats the difference between open closed semi etc mate please ???
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Old 13 June 2008, 10:54 AM
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anyone please
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Old 13 June 2008, 11:20 AM
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Good links to explain the difference:

Open vs Closed deck - i-Club
The SPDA - Forums - Street Car Tech - Closed Deck vs Semi Closed Deck vs Open Deck Blocks

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Old 13 June 2008, 02:14 PM
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Do the v3 and v4 have open blocks?

The 22b had closed deck block design with increased displacement, rest of the engine was based on the v4
Last edited by SqeekyMclean; 13 June 2008 at 02:19 PM.
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Old 13 June 2008, 02:25 PM
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Correct the version 3,4,5 and 6 all had the open deck blocks. The 22b had and ej22t closed deck block.

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